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Letters Patent No. 73,015, dated January 7, 1868.

IMPROVEMENT IN WATER-HEATERS FOR FIRE-ENGINES.

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TO ALL WHOM IT MAY CONCERN:

Be it known that we, PETER M. KAFER and JOSEPH M. DE LACY, of Trenton, in the county of Mercer, and" State of New Jersey, have invented a'new and improved Water-Heater for Steam Fire-Engines; and we do.

hereby declare the following to be a full, clear, and exact description thereof, which will enable others skilled in the art to make and use the same, reference being had to the accompanying drawings, forming part of this specification. i

The object of this invention is to effect more simple and ready means for the extinguishmcnt of fires in cities and towns, by supplying the steam fire-engine boiler with water already heated to near the boiling point before it is started from the engine-house; andthe invention consists in arranging a stationary heater and connecting it with pipes and water-tubes in such a manner that the water in the engine-boiler is made to pass through a heated coil of tubing placedin a lire-boil, andthercbybecome charged with heat to such 'zt-degree that no time is lost in getting up steam, as is ,frequently the case; at the' same time the apparatus, through the for- Ward motion of the engine, going out of the house, and, by levers, cocks, Sec., is made Vself-regulating, as will be hereinafter more fully described. i

Figure 1 represents a sido elevation of the apparatus, showing the water-pipes, cocks, checks, lovers, Wrenches, rubber or elastic pipe, condensing-coil, and attachment for heating coil.

Figure 2 shows u top view and the arrangements of the cocks and cheeks.

Similailetters of reference indicate like parts.

E represents the attachment for the heating-coil, D D the condensing-coil. Whenheating the water iu the fire-engine boiler, the water passes through the heating-coil, which is placed in contact with fire or heated gases, and by'uleans of the checks A A, fig. 2, the Water is made to have :1.- eontinuous circulation from the hea-tingcoil and return after passing through the engine-boiler. (l e represent levers, and, by the forward motion of the engine outcf they house and through the compensating levers b b and wrenches a a, the cocks AB are reversed, thereby changing the circulation from passing through thee'ngineiboiler to pass and circulate through the condensingcoil D D by means of the check C. The condensingcoil D D is submerged in a tank of cold water, and by this and the operation of the levers, cocks, and cheeks, the heater is made self-regulating. The levers c cZ are made to be tripped at any point by altering the centr-csf or slot-pin c at any point sufficient to reverse the cocks A B. The elastic or rubber pipes F F, g. 2, are for the purpose of allowing the engine to have forward motion, and thereby having the cocks D B, iig. '2, closed, and the cocks D D, iig. 2, open before;

the connections arebroken, not allowing any water te be discharged either from the `engineboiler or from the heater; also, to allow the engine to be placed in any position that muy be desired in the engine-house.

What we cla-im as new, and desire to secure by United States Letters'Patent, isw

The arrangement of the checks A A and E, elastic pipes F F, condensing-coil D, and with cocks B B and D D, levers e d, pin e, compensating levers b b, wrencheso a, constructed substantially as set forth.

' PETER M. Kuren, JOS. M. DE LACY.

Witnesses:

,GERRY L. TAYLOR, FRANKLIN A. BOWEN. 

